Window-glass guide for vehicles



R. R. 'LEE.

WINDOW GLASS GUIDE FOR VEHICLES.

APPLICATION FILED FEB. 16, 1920.

Patented Mar. 8, 1921.

Eva/271702,

UNITED STATES PATENT OFFICE.

RICHARD 3. LEE, OF MERRIMAC, MASSACHUSETTS.

WINDOW-GLASS GUIDE FOR VEHICLES.

Application filed February 16, 1920. Serial No.

T 0 all whom it may concern Be it known that I RICHARD R. LEE, a citizen of the United tates, and a resident of Merrimac, county of Essex, State of Massachusetts, have invented an Improvement in Window-Glass Guides for Vehicles, of which the following is a specification.

This invention relates to constructions for holding window glass in vehicles, and which are especially designed to prevent rattling.

Prior to my invention it has been at tempted to prevent noise, due to rattling of the window glass, by providing guide ways therefor, which are composed of noise deadening material, such as felt or rubber. The chief objection to this construction is that the grooves in which the glass slab is held, and which are lined with the sound deaden ing material referred to, are made to fit the square edges of the glass slab, and, unless the fit is practically exact, this arran ement is a source of trouble and annoyance or the reason that if the fit is too tight, the glass can only be raised and lowered with difficulty, and if it is too loose, vibration will be permitted, which will cause noise. Moreover, in construction factories, much difficulty is encountered on account of variations in thickness of the glass which is employed, so that it is necessary to provide guiding means for the glass having grooves of different widths, thus adding greatly to the expense of construction.

he primary object of my invention is to provide a glass slab guiding and holding means which is adapted to receive and hol against noisy vibration, glass slabs which vary to a relatively wide extent in thickness, without readjustment on account of such variations, and which, while reducing to a minimum the noise due to vibration, will also reduce the frictional engagement of the glass with the guide ways, as com: pared with prior devlces of a somewhat similar character, so that the force of frictional engagement will not be too great;

I accomplish this object by providing grooved guide ways of flexible rubber, the opposite sides of the grooves thereof being formed to extend convergently and being inwardly curved and adapted to yield, to correspond to the thickness of the glass, and to engage the surface of the glass at their ed es only.

or a more complete understanding of Specification of Letters Patent.

- placed therein,

Patented Mar. 8, 192] 359,140. I

my invention, reference is made to the accompanying drawing in which:

*igure 1 is a vertical sectional view of a window casing embodying my invention and showing the window in closed position.

g. 2 is a front elevation thereof.

Fig. 3 1s a view, similar to Fig. 1, showmg the glass in open position.

igs. 4, 5 and 6 are detail sectional views of a preferable form of the rubber guideway which I employ.

7 is a detail view of the front side thereof, and Fig. 8 is a perspective view of a s11 ht modification.

eferr ing to the drawings, the window casing a is of common form, being provided with the usual sill b, above which is the opening, which is normall closed by the glass slab c, and beneath w ich is a pocket, to receive the slab when the window is opened, said ccordlng to my invention I provide a guideway e, of soft, flexible rubber, at each side of the casing opening, each having a flat base 6', adapted to seat against the sides, of the casing and a groove e adapted to receive the glass slab, said groove being of clrcular form, transversely, so that the inner surfaces of the side walls e of the groove, are normally, concave. The outer surfaces of said walls are convexly curved, so that said walls are transversely curved, and extend convergently. The edges of said walls thus form the opposite sides of a narrow slot, which leads to the substantially wider circular portion of the groove,.the normal width of said slot, between said edges e", bein ness of any g ass slab which is likely to be and the Width of the circular portion of the groove being at least as great as the thickness of any such slab.

With this constructlon, when the slab edge portion is pressed into the groove, the side walls 6 will yield to the necessary extent to permit such insertion, so that the inner corners of the edges e of the entrance slot will press against the surface of the slab at a distance from the extreme edge of the slab, while the intermediate portion will not be engaged, as indicated in Figs. 5 and 6, in which the action with slabs of different thicknesses is indicated,

somewhat less than the thick- The base portion of the guldeways is further provided with a meta stiffening strip,

7, which is embedded therein, as indicated in Fig. 4, and the guideway sections, which are at oppos'te sides of the casing opening, are pivoted at their upper ends by passing a pivot screw 9 through the upper end portion of the strip f, (from which the rubber may be cut away, if necessary), so that said guideways may be swung to permit the slab to swin from the position in which its lower e ge rests in the groove of the cap piece (1, as in Fig. 1, to a vertical position, in which it may be lowered into the pocket beneath the sill, said guideways being of sufiicient length to clear the cap piece and retain the upper edge portion of the slab when the latter is resting on the bottom of the pocket. i

Another guideway section 6 is provided at each side of the pocket, in line with the other sections when in vertical position, to receive the glass slab' when lowered therein, as shown in Fig. 3. As these sections e are fixed and may be secured in any suitable and convenient manner, guideways havin the embedded metal strips need not be use That is, these guideways ma be made of solid rubber, as indicated in 'ig. 8, means for holding the guideways against bending being unnecessa' in this relation, although its presence wo d not be detrimental, and

would form a convenient means of securing the rubber strip in position.

'I claim: 1 a

1. In combination with a window frame, a glass slab, and a guideway for the slab comprising a rubber st 'phaving a longitudinal groove to receive the .edge portion of the slab, the sides of said oove extending convergently to yielding y engage the surface of the slab at a distance from the extreme edge thereof without engaging the intermediate portion thereof.

- tudinal groove ,of the slab, theeinner surface of the sides of comprising a rubber strip 2. In combination with a window frame,

a glass slab, and a guideway for the slab comprising a rubber strip having a longito receive the edge portion said groove being concaved and said sides extendin toward each other into a proximity, at their edges, substantially less than the thickness of the slab, to permit said edges to engage the surface of the slab and hold the intermediate portion of said sides out of engagement with the said surface.

,3. In combination with a window frame, a glass slab and a guideway for the slab having a longitudinal groove therein to receive and guide the side edge portion of the slab, the sides of said groove being transversely curved and extended toward each other into relatively close proximity at their extreme edges, so that said groove increasesin width inwardly, and said edges are adapted to be yieldingly engaged with the sides of the glass at a distance from the'edge thereof. A

.4. In combination with a window frame, a glass slab for the window opening, said frame having ,a pocket beneat the opening to' receive the slab when lowered and a support at one side of the pocket for holdthe slab in closed position, and alongi- 'nally grooved resihent rubber guideway strip, to receive the side edges of the slab, said strip having a stifienerembedded therein and extendmg longitudinally thereof, and said stifi'ener having a pivotal connection at its upper end, with the frame to permit said strip to be swung with the slab, from its posltion on said support to the position in which it may be lowered into the pocket.

In name to this specification.

RICHARD R.

1n tu testimony whereof, I have signed my 

